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Finding the Fourth Proportional to 222,790.40, 333,926.40 and 89,604.80

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Solution

The fourth proportional to 222,790.40, 333,926.40 and 89,604.80 is: 134,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,790.40 : 333,926.40 = 89,604.80 : x
  2. Step 2: Convert to fraction form
    222,790.40/333,926.40 = 89,604.80/x
  3. Step 3: Cross multiply
    222,790.40x = 333,926.40 × 89,604.80
  4. Step 4: Simplify right side
    222,790.40x = 29,921,408,286.72
  5. Step 5: Solve for x
    x = 29,921,408,286.72/222,790.40
  6. Step 6: Final answer
    x = 134,302.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.